stronger feature detect for browser. temp hack.
stronger feature detect for browser. temp hack.

tkadlec/lighthouse,tommycli/lighthouse,deepanjanroy/lighthouse,umaar/lighthouse,cedricbellet/lighthouse,cedricbellet/lighthouse,tkadlec/lighthouse,GoogleChrome/lighthouse,GoogleChrome/lighthouse,deepanjanroy/lighthouse,GoogleChrome/lighthouse,arturmiz/lighthouse,GoogleChrome/lighthouse,ev1stensberg/lighthouse,zhaoz/lighthouse,arturmiz/lighthouse,umaar/lighthouse,deepanjanroy/lighthouse,tommycli/lighthouse,wardpeet/lighthouse,ev1stensberg/lighthouse,tommycli/lighthouse,tkadlec/lighthouse,wardpeet/lighthouse,wardpeet/lighthouse,deepanjanroy/lighthouse,mixed/lighthouse,wardpeet/lighthouse,mixed/lighthouse,cedricbellet/lighthouse,tommycli/lighthouse,umaar/lighthouse,umaar/lighthouse,tommycli/lighthouse,ev1stensberg/lighthouse,GoogleChrome/lighthouse,deepanjanroy/lighthouse,cedricbellet/lighthouse,arturmiz/lighthouse,cedricbellet/lighthouse,arturmiz/lighthouse,mixed/lighthouse,ev1stensberg/lighthouse,zhaoz/lighthouse,mixed/lighthouse,arturmiz/lighthouse,wardpeet/lighthouse,tkadlec/lighthouse,zhaoz/lighthouse